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Cited by 324

The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.

Assist–Control Mechanical Ventilation Attenuates Ventilator-induced Diaphragmatic Dysfunction

Sassoon, Catherine S. H., Zhu, Ercheng, Caiozzo, Vincent J.·2004·American Journal of Respiratory and Critical Care Medicine

Abstract

Controlled mechanical ventilation induced a profound diaphragm muscle dysfunction and atrophy. The effects of diaphragmatic contractions with assisted mechanical ventilation on diaphragmatic isometric, isotonic contractile properties, or the expression of muscle atrophy factor-box (MAF-box), the gene responsible for muscle atrophy, are unknown. We hypothesize that assisted mechanical ventilation will preserve diaphragmatic force and prevent overexpression of MAF-box. Studying sedated rabbits randomized equally into control animals, those with 3 days of assisted ventilation, and those with controlled ventilation, we assessed in vitro diaphragmatic isometric and isotonic contractile function. The concentrations of contractile proteins, myosin heavy chain isoform, and MAF-box mRNA were measured. Tetanic force decreased by 14% with assisted ventilation and 48% with controlled ventilation. Maximum shortening velocity tended to increase with controlled compared with assisted ventilation and control. Peak power output decreased 20% with assisted ventilation and 41% with controlled ventilation. Contractile proteins were unchanged with either modes of ventilation; myosin heavy chain 2X mRNA tended to increase and that of 2A to decrease with controlled ventilation. MAF-box gene was overexpressed with controlled ventilation. We conclude that preserving diaphragmatic contractions during mechanical ventilation attenuates the force loss induced by complete inactivity and maintains MAF-box gene expression in control.

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Metadata

Authors
Sassoon, C. S. H., Zhu, E., & Caiozzo, V. J.
Venue
American Journal of Respiratory and Critical Care Medicine
Published
2004-09-15
Volume
170
Issue
6
Pages
626-632
ISSN
  • 1073-449X (ISSN-L)
  • 1535-4970
OpenAlex
W2099951310
Cited by
324
References
28
FWCI
8.59
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Assist–Control Mechanical Ventilation Attenuates Ventilator-induced Diaphragmatic Dysfunction. https://app.cochat.ai/papers/10.1164/rccm.200401-042oc
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Sassoon, C. S. H., Zhu, E., & Caiozzo, V. J. (2004). Assist–Control Mechanical Ventilation Attenuates Ventilator-induced Diaphragmatic Dysfunction. American Journal of Respiratory and Critical Care Medicine. https://doi.org/10.1164/rccm.200401-042oc

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